Increase in yield with the minus and addition of N, P, and K fertilizer
Description
At Grobogan, N fertilization increased harvested dry grain weight by 111.96 to 180.45%, milled dry grain weight by 135.04 to 160.16% and straw dry weight by 159.14 to 182.93%. P fertilization increased the weight of harvested dry grain by 0.00 to 13.61%, the weight of milled dry grain by 0.66 to 12.63%, and the dry weight of straw by 13.50 to 39.34%. K fertilization increased the weight of harvested dry grain by 9.11 to 27.94%, milled dry grain by 11.92 to 23.25%, and dry straw by 8.63 to 22.33%. In Pandeglang, N fertilization significantly increased the weight of harvested dry grain by 46.67 to 81.71%, milled dry grain by 43.80 to 78.83%, and dry straw by 49.35 to 88.01%. P fertilization increased rice production very little, between 0.00 and 27.91%. K fertilization increased the weight of harvested dry grain by 0.00 to 31.34%, the weight of milled dry grain by 1.50 to 34.60%, and the weight of dry straw by 4.28 to 46.14%. The addition of N fertilizer in Sukadana significantly increased the weight of harvested dry grain by 80.00 to 136.36%, milled dry grain by 64.29 to 262.50%, and dry straw by 10.42 to 169.29%. The increase in rice production with the addition of P fertilizer is very small, ranging from 0.00 to 4.16%. The application of K fertilizer significantly increased the weight of harvested dry grain by 25.38 to 94.59%, the weight of milled dry grain by 37.39 to 160.27%, and the weight of dry straw by 18.89 to 49.64%.