The Chemistry of Soils And Fertilizers
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Deep plowing at first causes nitrification to take place to such an extent that the crop is overstimulated in growth. Deep plowing and thorough cultivation aid nitrification. The longer a soil has been cultivated, the deeper and more thorough must be the cultivation.
149. Spring and Fall Plowing, and Nitrification.
— Early fall plowing leaves more available nitrogen at the disposal of the crop than late fall plowing.
Nitrification takes place only near the surface. Hence when late spring plowin...g is practiced there is brought to the surface raw nitrogen, while the available nitrogen has been plowed under, and is beyond the reach of the young plants when they require the most help in obtaining food. The various methods of cultivation as deep and shallow plowing, spring and fall plowing, and surface cultivation have as much influence upon the available nitrogen supply of crops as upon the water supply. The saying that cultiva- tion makes plant food available is particularly true of the element nitrogen, the supply of which is capable of being increased or decreased to a greater extent than that of any other element.
What to read after The Chemistry of Soils And Fertilizers?
You can find similar books in the "Read Also" column, or choose other free books by Snyder, Harry, 1867-1927 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Deep plowing at first causes nitrification to take place to such an extent that the crop is overstimulated in growth. Deep plowing and thorough cultivation aid nitrification. The longer a soil has been cultivated, the deeper and more thorough must be the cultivation.
149. Spring and Fall Plowing, and Nitrification.
— Early fall plowing leaves more available nitrogen at the disposal of the crop than late fall plowing.
Nitrification takes place only near the surface. Hence when late spring plowin...g is practiced there is brought to the surface raw nitrogen, while the available nitrogen has been plowed under, and is beyond the reach of the young plants when they require the most help in obtaining food. The various methods of cultivation as deep and shallow plowing, spring and fall plowing, and surface cultivation have as much influence upon the available nitrogen supply of crops as upon the water supply. The saying that cultiva- tion makes plant food available is particularly true of the element nitrogen, the supply of which is capable of being increased or decreased to a greater extent than that of any other element.
What to read after The Chemistry of Soils And Fertilizers?
You can find similar books in the "Read Also" column, or choose other free books by Snyder, Harry, 1867-1927 to read onlineMoreLess
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